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https://www.readbyqxmd.com/read/28793994/dietary-fatty-acid-intake-after-myocardial-infarction-a-theoretical-substitution-analysis-of-the-alpha-omega-cohort
#1
Famke Jm Mölenberg, Janette de Goede, Anne J Wanders, Peter L Zock, Daan Kromhout, Johanna M Geleijnse
Background: Replacement of saturated fatty acids (SFAs) with unsaturated fatty acids (UFAs), especially polyunsaturated fatty acids (PUFAs), has been associated with a lower risk of ischemic heart disease (IHD). Whether this replacement is beneficial for drug-treated patients with cardiac disease is not yet clear.Objective: In a prospective study of Dutch patients with cardiac disease (Alpha Omega Cohort), we examined the risk of cardiovascular disease (CVD) and IHD mortality when the sum of SFAs and trans fatty acids (TFAs) was theoretically replaced by total UFAs, PUFAs, or cis monounsaturated fatty acids (MUFAs)...
August 9, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28792966/maternal-exposure-to-an-environmentally-relevant-dose-of-triclocarban-results-in-perinatal-exposure-and-potential-alterations-in-offspring-development-in-the-mouse-model
#2
Heather A Enright, Miranda J S Falso, Michael A Malfatti, Victoria Lao, Edward A Kuhn, Nicholas Hum, Yilan Shi, Ana Paula Sales, Kurt W Haack, Kristen S Kulp, Bruce A Buchholz, Gabriela G Loots, Graham Bench, Kenneth W Turteltaub
Triclocarban (TCC) is among the top 10 most commonly detected wastewater contaminants in both concentration and frequency. Its presence in water, as well as its propensity to bioaccumulate, has raised numerous questions about potential endocrine and developmental effects. Here, we investigated whether exposure to an environmentally relevant concentration of TCC could result in transfer from mother to offspring in CD-1 mice during gestation and lactation using accelerator mass spectrometry (AMS). 14C-TCC (100 nM) was administered to dams through drinking water up to gestation day 18, or from birth to post-natal day 10...
2017: PloS One
https://www.readbyqxmd.com/read/28792164/survey-of-assessment-and-management-of-coronary-heart-disease-patients-smart-in-india
#3
Amit Singh, Vikram Singh, Rupesh Ranjan
OBJECTIVE: Survey of Assessment and MAnagement of CoRonary Heart Disease PaTients was undertaken to describe profile and management pattern of adult Acute Coronary Syndrome (ACS) patients from presentation till discharge, in private tertiary care Indian hospitals. MATERIALS AND METHODS: This was an observational, prospective study. Based on standard criteria, patients were diagnosed to have ST-segment elevation myocardial infarction (STEMI), non-ST-segment elevation myocardial infarction (NSTEMI) or unstable angina (UA)...
July 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28783871/cardiac-safety-of-ozanimod-a-novel-sphingosine-1-phosphate-receptor-modulator-results-of-a-thorough-qt-qtc-study
#4
Jonathan Q Tran, Jeffrey P Hartung, Allan D Olson, Boaz Mendzelevski, Gregg A Timony, Marcus F Boehm, Robert J Peach, Sheila Gujrathi, Paul A Frohna
Ozanimod is a novel, selective, oral sphingosine-1-phosphate (1 and 5) receptor modulator in development for multiple sclerosis and inflammatory bowel disease. This randomized, double-blind, placebo-controlled, positive-controlled, parallel-group thorough QT study characterized the effects of ozanimod on cardiac repolarization in healthy subjects. Eligible subjects were randomized to 1 of 2 groups: ozanimod (escalated from 0.25 to 2 mg over 14 days) or placebo (for 14 days). A single dose of moxifloxacin 400 mg or placebo was administered on days 2 and 17...
August 7, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28783062/trans-fat-intake-and-its-dietary-sources-in-general-populations-worldwide-a-systematic-review
#5
REVIEW
Anne J Wanders, Peter L Zock, Ingeborg A Brouwer
After the discovery that trans fat increases the risk of coronary heart disease, trans fat content of foods have considerably changed. The aim of this study was to systematically review available data on intakes of trans fat and its dietary sources in general populations worldwide. Data from national dietary surveys and population studies published from 1995 onward were searched via Scopus and websites of national public health institutes. Relevant data from 29 countries were identified. The most up to date estimates of total trans fat intake ranged from 0...
August 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28766716/sequential-segmental-analysis-of-the-crocodilian-heart
#6
Andrew C Cook, Vi-Hue Tran, Diane E Spicer, Jafrin M H Rob, Shankar Sridharan, Andrew Taylor, Robert H Anderson, Bjarke Jensen
Differences between hearts of crocodilians and those of mammals and birds are only partly understood because there is no standardised approach and terminology for describing cardiac structure. Whereas most reptiles have an undivided ventricle, crocodilians have a fully septated ventricle. Their hearts, therefore, are more readily comparable with the hearts of mammals and birds. Here, we describe the heart of a crocodile (Crocodylus noliticus). We use the versatile sequential segmental approach to analysis, juxtaposing several key views of the crocodilian heart to the comparable views of human hearts...
August 1, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28763512/a-glycan-based-approach-to-therapeutic-angiogenesis
#7
Jie Shi Chua, Vy M Tran, Mausam Kalita, Maritza V Quintero, Orlando Antelope, Geethu Muruganandam, Yukio Saijoh, Balagurunathan Kuberan
Angiogenesis, the sprouting of new blood vessels from existing vasculature, involves multiple complex biological processes, and it is an essential step for hemostasis, tissue healing and regeneration. Angiogenesis stimulants can ameliorate human disease conditions including limb ischemia, chronic wounds, heart disease, and stroke. The current strategies to improve the bioavailability of pro-angiogenic growth factors, including VEGF and FGF2, have remained largely unsuccessful. This study demonstrates that small molecules, termed click-xylosides, can promote angiogenesis in the in vitro matrigel tube formation assay and the ex ovo chick chorioallantoic membrane assay, depending on their aglycone moieties...
2017: PloS One
https://www.readbyqxmd.com/read/28763463/recellularization-of-a-novel-off-the-shelf-valve-following-xenogenic-implantation-into-the-right-ventricular-outflow-tract
#8
Ryan S Hennessy, Jason L Go, Rebecca R Hennessy, Brandon J Tefft, Soumen Jana, Nicholas J Stoyles, Mohammed A Al-Hijji, Jeremy J Thaden, Sorin V Pislaru, Robert D Simari, John M Stulak, Melissa D Young, Amir Lerman
Current research on valvular heart repair has focused on tissue-engineered heart valves (TEHV) because of its potential to grow similarly to native heart valves. Decellularized xenografts are a promising solution; however, host recellularization remains challenging. In this study, decellularized porcine aortic valves were implanted into the right ventricular outflow tract (RVOT) of sheep to investigate recellularization potential. Porcine aortic valves, decellularized with sodium dodecyl sulfate (SDS), were sterilized by supercritical carbon dioxide (scCO2) and implanted into the RVOT of five juvenile polypay sheep for 5 months (n = 5)...
2017: PloS One
https://www.readbyqxmd.com/read/28749981/a-systematic-review-and-meta-analysis-on-herpes-zoster-and-the-risk-of-cardiac-and-cerebrovascular-events
#9
Nathaniel Erskine, Hoang Tran, Leonard Levin, Christine Ulbricht, Joyce Fingeroth, Catarina Kiefe, Robert J Goldberg, Sonal Singh
BACKGROUND: Patients who develop herpes zoster or herpes zoster ophthalmicus may be at risk for cerebrovascular and cardiac complications. We systematically reviewed the published literature to determine the association between herpes zoster and its subtypes with the occurrence of cerebrovascular and cardiac events. METHODS/RESULTS: Systematic searches of PubMed (MEDLINE), SCOPUS (Embase) and Google Scholar were performed in December 2016. Eligible studies were cohort, case-control, and self-controlled case-series examining the association between herpes zoster or subtypes of herpes zoster with the occurrence of cerebrovascular and cardiac events including stroke, transient ischemic attack, coronary heart disease, and myocardial infarction...
2017: PloS One
https://www.readbyqxmd.com/read/28743730/do-cardiometabolic-behavioural-and-socioeconomic-factors-explain-the-healthy-migrant-effect-in-the-uk-linked-mortality-follow-up-of-south-asians-compared-with-white-europeans-in-the-newcastle-heart-project
#10
Louise Hayes, Martin White, Richard J Q McNally, Nigel Unwin, Anh Tran, Raj Bhopal
BACKGROUND: Immigrants are sometimes found to have better health than locally born populations. We examined the mortality experience of South Asian origin and white European origin individuals living in Newcastle upon Tyne, UK. METHODS: A linked 17-21 year mortality follow-up of a cross-sectional study of European (n=825) and South Asian (n=709) men and women, aged 25-74 years, recruited between 1993 and 1997. Poisson regression was used to estimate mortality rate ratios (MRRs) for all-cause mortality...
July 25, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28734877/enzymatic-and-free-radical-formation-of-cis-and-trans-epoxyeicosatrienoic-acids-in-vitro-and-in-vivo
#11
Theresa Aliwarga, Brianne S Raccor, Rozenn N Lemaitre, Nona Sotoodehnia, Sina A Gharib, Libin Xu, Rheem A Totah
Epoxyeicosatrienoic acids (EETs) are metabolites of arachidonic acid (AA) oxidation that have important cardioprotective and signaling properties. AA is an ω-6 polyunsaturated fatty acid (PUFA) that is prone to autoxidation. Although hydroperoxides and isoprostanes are major autoxidation products of AA, EETs are also formed from the largely overlooked peroxyl radical addition mechanism. While autoxidation yields both cis- and trans-EETs, cytochrome P450 (CYP) epoxygenases have been shown to exclusively catalyze the formation of all regioisomer cis-EETs, on each of the double bonds...
July 19, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28733446/how-does-pressure-overload-cause-cardiac-hypertrophy-and-dysfunction-high-ouabain-affinity-cardiac-na-pumps-are-crucial
#12
Mordecai P Blaustein
Left ventricular hypertrophy is frequently observed in hypertensive patients, and is believed to be due to the pressure overload and cardiomyocyte stretch. Three recent reports on mice with genetically-engineered Na(+) pumps, however, demonstrate that cardiac ouabain-sensitive α2 Na(+) pumps play a key role in the pathogenesis of trans-aortic constriction (TAC)-induced hypertrophy. Hypertrophy was delayed/attenuated in mice with mutant, ouabain-resistant α2 Na(+) pumps and in mice with cardiac-selective knockout (KO) or transgenic overexpression (TG) of α2 Na(+) pumps...
July 21, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28719597/pharmacogenomics-study-of-thiazide-diuretics-and-qt-interval-in-multi-ethnic-populations-the-cohorts-for-heart-and-aging-research-in-genomic-epidemiology
#13
A A Seyerle, C M Sitlani, R Noordam, S M Gogarten, J Li, X Li, D S Evans, F Sun, M A Laaksonen, A Isaacs, K Kristiansson, H M Highland, J D Stewart, T B Harris, S Trompet, J C Bis, G M Peloso, J A Brody, L Broer, E L Busch, Q Duan, A M Stilp, C J O'Donnell, P W Macfarlane, J S Floyd, J A Kors, H J Lin, R Li-Gao, T Sofer, R Méndez-Giráldez, S R Cummings, S R Heckbert, A Hofman, I Ford, Y Li, L J Launer, K Porthan, C Newton-Cheh, M D Napier, K F Kerr, A P Reiner, K M Rice, J Roach, B M Buckley, E Z Soliman, R de Mutsert, N Sotoodehnia, A G Uitterlinden, K E North, C R Lee, V Gudnason, T Stürmer, F R Rosendaal, K D Taylor, K L Wiggins, J G Wilson, Y-DI Chen, R C Kaplan, K Wilhelmsen, L A Cupples, V Salomaa, C van Duijn, J W Jukema, Y Liu, D O Mook-Kanamori, L A Lange, R S Vasan, A V Smith, B H Stricker, C C Laurie, J I Rotter, E A Whitsel, B M Psaty, C L Avery
Thiazide diuretics, commonly used antihypertensives, may cause QT interval (QT) prolongation, a risk factor for highly fatal and difficult to predict ventricular arrhythmias. We examined whether common single-nucleotide polymorphisms (SNPs) modified the association between thiazide use and QT or its component parts (QRS interval, JT interval) by performing ancestry-specific, trans-ethnic and cross-phenotype genome-wide analyses of European (66%), African American (15%) and Hispanic (19%) populations (N=78 199), leveraging longitudinal data, incorporating corrected standard errors to account for underestimation of interaction estimate variances and evaluating evidence for pathway enrichment...
July 18, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28711967/fate-of-duct-dependent-discontinuous-pulmonary-arteries-after-arterial-duct-stenting
#14
Giuseppe Santoro, Giovanbattista Capozzi, Mario Giordano, Gianpiero Gaio, Maria Teresa Palladino, Carola Iacono, Heba Talat Mahmoud, Maria Giovanna Russo
Significant and balanced PA growth following arterial duct (AD) stenting has already been consistently reported in literature. However, to date, no data are available about the role of this approach as palliation of congenital heart disease with a duct-dependent discontinuous pulmonary artery (dPA). The aim of this study was to evaluate the fate of a dPA of ductal origin following trans-catheter AD stabilization. Angiographic PA evaluation was performed in seven patients submitted to neonatal AD stenting as palliative recruitment of dPA...
July 15, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28707848/frontiers-in-non-invasive-cardiac-mapping-future-implications-for-arrhythmia-treatment
#15
Antonio Frontera, Ghassen Cheniti, Claire A Martin, Masateru Takigawa, Josselin Duchateau, Stephane Puyo, Ruairidh Martin, Nathaniel Thompson, Takeshi Kitamura, Konstantinos Vlachos, Michael Wolf, Nora Al-Jefairi, Gregoire Massouille, Thomas Pambrun, Arnaud Denis, Frederic Sacher, Nicolas Derval, Remis Dubois, Pierre Jaïs, Meleze Hocini, Michel Haissaguerre
Electrocardiographic mapping (ECM) is a non invasive technique using body surface potentials and CT geometry to reconstruct epicardial maps. ECM is emerging as an important tool not only for diagnostic mapping, but also as a guide for trans-catheter ablation of complex arrhythmias such as atrial fibrillation. It provides the clinician with an immediate global view of the substrate, allowing easier pre-procedural planning, potential improving clinical outcomes. Panoramic mapping of ventricular fibrillation (VF) is helping to develop a better understanding of its physiology, with future implications for the identification of therapeutic targets in patients with structural heart disease, as well as in idiopathic VF...
July 12, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28686328/genetically-contextual-effects-of-smoking-on-genome-wide-dna-methylation
#16
Meeshanthini V Dogan, Steven R H Beach, Robert A Philibert
Smoking is the leading cause of death in the United States. It exerts its effects by increasing susceptibility to a variety of complex disorders among those who smoke, and if pregnant, to their unborn children. In prior efforts to understand the epigenetic mechanisms through which this increased vulnerability is conveyed, a number of investigators have conducted genome wide methylation analyses. Unfortunately, secondary to methodological limitations, these studies were unable to examine methylation in gene regions with significant amounts of genetic variation...
July 7, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28669428/preoperative-evaluation-of-anomalous-pulmonary-venous-connection-using-dual-source-computed-tomography-comparison-with-echocardiography
#17
Li Jiang, Lin-Jun Xie, Zhi-Gang Yang, Ke Shi, Hua-Yan Xu, Rui Li, Kai-Yue Diao, Ying-Kun Guo
PURPOSE: To evaluate the image features and diagnostic agreement for anomalous pulmonary venous connection (APVC) by dual-source computed tomography (DSCT) before surgery when compared with trans-thoracic echocardiography (TTE). MATERIALS AND METHODS: A total of one hundred and twenty-three patients were enrolled in this study. The associated malformation was analyzed between 39 total anomalous pulmonary venous connections (TAPVC) and 84 partial anomalous pulmonary venous connections (PAPVC)...
June 21, 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28667100/interleukin-10-inhibits-bone-marrow-fibroblast-progenitor-cell-mediated-cardiac-fibrosis-in-pressure-overloaded-myocardium
#18
Suresh K Verma, Venkata N S Garikipati, Prasanna Krishnamurthy, Sarah M Schumacher-Bass, Laurel A Grisanti, Maria Cimini, Zhongjian Cheng, Mohsin Khan, Yujia Yue, Cindy L Benedict, May M Truongcao, Joseph E Rabinowitz, David A Goukassian, Douglas G Tilley, Walter J Koch, Raj Kishore
Background -Activated fibroblasts (myofibroblasts; myoFBs) play critical role in cardiac fibrosis; however, their origin in the diseased heart remains unclear warranting further investigation. Recent studies suggest the contribution of bone marrow fibroblast progenitor cells (BM-FPC) in pressure overload (PO)-induced cardiac fibrosis. We have earlier shown that interleukin-10 (IL10) suppresses PO-induced cardiac fibrosis; however, the role of IL10 in inhibition of BM-FPC-mediated cardiac fibrosis is not known...
June 30, 2017: Circulation
https://www.readbyqxmd.com/read/28652007/cytokines-affecting-cd4-t-regulatory-cells-in-transplant-tolerance-iii-interleukin-5-il-5-promotes-survival-of-alloantigen-specific-cd4-t-regulatory-cells
#19
Bruce M Hall, Karren M Plain, Giang T Tran, Nirupama D Verma, Catherine M Robinson, Masaru Nomura, Rochelle Boyd, Suzanne J Hodgkinson
CD4(+)T cells mediate antigen-specific allograft tolerance, but die in culture without activated lymphocyte derived cytokines. Supplementation of the media with cytokine rich supernatant, from ConA activated spleen cells, preserves the capacity of tolerant cells to transfer tolerance and suppress rejection. rIL-2 or rIL-4 alone are insufficient to maintain these cells, however. We observed that activation of naïve CD4(+)CD25(+)FOXP3(+)Treg with alloantigen and the Th2 cytokine rIL-4 induces them to express interleukin-5 specific receptor alpha (IL-5Rα) suggesting that IL-5, a Th2 cytokine that is produced later in the immune response may promote tolerance mediating Treg...
June 23, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28641785/acute-detachment-of-hexokinase-ii-from-mitochondria-modestly-increases-oxygen-consumption-of-the-intact-mouse-heart
#20
Rianne Nederlof, Simone Denis, Benjamin Lauzier, Christine Des Rosiers, Markku Laakso, Jacob Hagen, Carmen Argmann, Ronald Wanders, Riekelt H Houtkooper, Markus W Hollmann, Sander M Houten, Coert J Zuurbier
OBJECTIVE: Cardiac hexokinase II (HKII) can translocate between cytosol and mitochondria and change its cellular expression with pathologies such as ischemia-reperfusion, diabetes and heart failure. The cardiac metabolic consequences of these changes are unknown. Here we measured energy substrate utilization in cytosol and mitochondria using stabile isotopes and oxygen consumption of the intact perfused heart for 1) an acute decrease in mitochondrial HKII (mtHKII), and 2) a chronic decrease in total cellular HKII...
July 2017: Metabolism: Clinical and Experimental
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